Compatible vehicles: For Mazda Miata MX5 Protege. Wheel Bolt Pattern: 4x100. Vehicle Bolt Pattern: 4x100. Thread Pitch: M12x1.5. Truly Forged Aircraft Aluminum 6061T6 Alloy, tensile strength 300-310Mpa, yield strength 241-275Mpa,elongation 8-10% ,more better than normal 6061 forged spacer or casting 6061T6 spacer.
